package com.atguigu.yygh.hosp.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.atguigu.yygh.common.exception.YyghException;
import com.atguigu.yygh.common.result.ResultCodeEnum;
import com.atguigu.yygh.hosp.mapper.HospitalSetMapper;
import com.atguigu.yygh.hosp.repository.ScheduleRepository;
import com.atguigu.yygh.hosp.service.DepartmentService;
import com.atguigu.yygh.hosp.service.HospitalService;
import com.atguigu.yygh.hosp.service.HospitalSetService;
import com.atguigu.yygh.hosp.service.ScheduleService;
import com.atguigu.yygh.model.hosp.*;
import com.atguigu.yygh.vo.hosp.BookingScheduleRuleVo;
import com.atguigu.yygh.vo.hosp.ScheduleOrderVo;
import com.atguigu.yygh.vo.hosp.ScheduleQueryVo;
import com.atguigu.yygh.vo.order.SignInfoVo;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.*;
import lombok.extern.slf4j.Slf4j;
import org.joda.time.DateTime;
import org.joda.time.DateTimeConstants;
import org.joda.time.format.DateTimeFormat;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.*;
import org.springframework.data.domain.Page;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.aggregation.Aggregation;
import org.springframework.data.mongodb.core.aggregation.AggregationResults;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;

import java.util.*;
import java.util.stream.Collectors;

/**
 * @FileName: ScheduleService
 * @Author Steven
 * @Date: 2021/3/19
 */
@Service
@Slf4j
public class ScheduleServiceImpl implements ScheduleService{

    @Autowired
    ScheduleRepository scheduleRepository;

    @Autowired
    MongoTemplate mongoTemplate;

    @Autowired
    HospitalService hospitalService;

    @Autowired
    DepartmentService departmentService;

    @Autowired
    HospitalSetService hospitalSetService;

    @Override
    public void save(Map<String, Object> paramMap) {
        Schedule schedule = JSONObject.parseObject(JSONObject.toJSONString(paramMap), Schedule.class);
        Schedule targetSchedule = scheduleRepository.getScheduleByHoscodeAndHosScheduleId(schedule.getHoscode(), schedule.getDepcode());
        if(null!=targetSchedule){
            targetSchedule.setUpdateTime(new Date());
            targetSchedule.setIsDeleted(0);
            targetSchedule.setStatus(1);
            scheduleRepository.save(targetSchedule);
        }else{
            schedule.setCreateTime(new Date());
            schedule.setUpdateTime(new Date());
            schedule.setStatus(1);
            schedule.setIsDeleted(0);
            scheduleRepository.save(schedule);
        }
    }

    @Override
    public Page<Schedule> selectPage(Integer current, Integer limit, ScheduleQueryVo scheduleQueryVo) {
       Sort sort=Sort.by(Sort.Direction.DESC,"create_time");
       Pageable pageable=PageRequest.of(current-1, limit, sort);
       Schedule schedule=new Schedule();
       BeanUtils.copyProperties(scheduleQueryVo,schedule);
       schedule.setIsDeleted(0);
       schedule.setStatus(1);
       ExampleMatcher matcher=ExampleMatcher.matching()
               .withStringMatcher(ExampleMatcher.StringMatcher.CONTAINING)
               .withIgnoreCase(true);
       Example example=Example.of(schedule,matcher);
        Page pages = scheduleRepository.findAll(example, pageable);
        return pages;
    }

    @Override
    public void remove(String hoscode, String hosScheduleId) {
        Schedule schedule = scheduleRepository.getScheduleByHoscodeAndHosScheduleId(hoscode, hosScheduleId);
        if(!StringUtils.isEmpty(schedule)){
            scheduleRepository.deleteById(schedule.getId());
        }
    }

    @Override
    public Map<String, Object> getScheduleRule(Integer current, Integer limit, String hoscode, String depcode) {
        //1 根据医院编号 和 科室编号 查询
        Criteria criteria = Criteria.where("hoscode").is(hoscode).and("depcode").is(depcode);

        //2 根据工作日workDate期进行分组
        Aggregation agg = Aggregation.newAggregation(
                ////匹配条件
                Aggregation.match(criteria),
                ////分组字段
                Aggregation.group("workDate")
                        .first("workDate").as("workDate")
                        //3 统计号源数量
                        .count().as("docCount")
                        .sum("reservedNumber").as("reservedNumber")
                        .sum("availableNumber").as("availableNumber"),
                //排序
                Aggregation.sort(Sort.Direction.DESC,"workDate"),
                //4 实现分页
                Aggregation.skip((current-1)*limit),
                Aggregation.limit(limit)
        );
        //调用方法，最终执行
        AggregationResults<BookingScheduleRuleVo> aggResults =
                mongoTemplate.aggregate(agg, Schedule.class, BookingScheduleRuleVo.class);
        List<BookingScheduleRuleVo> bookingScheduleRuleVoList = aggResults.getMappedResults();

        //分组查询的总记录数
        Aggregation totalAgg = Aggregation.newAggregation(
                Aggregation.match(criteria),
                Aggregation.group("workDate")
        );
        AggregationResults<BookingScheduleRuleVo> totalAggResults =
                mongoTemplate.aggregate(totalAgg,
                        Schedule.class, BookingScheduleRuleVo.class);
        int total = totalAggResults.getMappedResults().size();

        //把日期对应星期获取
        for(BookingScheduleRuleVo bookingScheduleRuleVo:bookingScheduleRuleVoList) {
            Date workDate = bookingScheduleRuleVo.getWorkDate();
            String dayOfWeek = this.getDayOfWeek(new DateTime(workDate));
            bookingScheduleRuleVo.setDayOfWeek(dayOfWeek);
        }

        //设置最终数据，进行返回
        Map<String, Object> result = new HashMap<>();
        result.put("bookingScheduleRuleList",bookingScheduleRuleVoList);
        result.put("total",total);

        //获取医院名称
        String hosName = hospitalService.getHospName(hoscode);
        //其他基础数据
        Map<String, String> baseMap = new HashMap<>();
        baseMap.put("hosname",hosName);
        result.put("baseMap",baseMap);

        return result;
    }

    @Override
    public List<Schedule> getDetailSchedule(String hosCode, String deptCode, String workDate) {
        List<Schedule> scheduleList = scheduleRepository.getScheduleByHoscodeAndDepcodeAndWorkDate(hosCode, deptCode,new DateTime(workDate).toDate() );
        scheduleList.stream().forEach(item->this.packageSchedule(item));
        return scheduleList;
    }

    @Override
    public Map<String, Object> getBookingSchedule(Integer page, Integer limit, String hoscode, String depcode) {
        HashMap<String,Object> result=new HashMap<>();
        Hospital hospital = hospitalService.getByHoscode(hoscode);
        if(StringUtils.isEmpty(hospital)){
            throw new YyghException(ResultCodeEnum.DATA_ERROR);
        }
        BookingRule bookingRule = hospital.getBookingRule();
        IPage iPage=this.getListDate(page,limit,bookingRule);
        //当前页可预约日期
        List<Date> dateList = iPage.getRecords();
        //获取可预约日期科室剩余预约数
        Criteria criteria = Criteria.where("hoscode").is(hoscode).and("depcode").is(depcode).and("workDate").in(dateList);
        Aggregation agg = Aggregation.newAggregation(
                Aggregation.match(criteria),
                Aggregation.group("workDate")//分组字段
                        .first("workDate").as("workDate")
                        .count().as("docCount")
                        .sum("availableNumber").as("availableNumber")
                        .sum("reservedNumber").as("reservedNumber")
        );
        AggregationResults<BookingScheduleRuleVo> aggregationResults = mongoTemplate.aggregate(agg, Schedule.class, BookingScheduleRuleVo.class);
        List<BookingScheduleRuleVo> scheduleVoList = aggregationResults.getMappedResults();
        //获取科室剩余预约数

        //合并数据 将统计数据ScheduleVo根据“安排日期”合并到BookingRuleVo
        Map<Date, BookingScheduleRuleVo> scheduleVoMap = new HashMap<>();
        if(!CollectionUtils.isEmpty(scheduleVoList)) {
            scheduleVoMap = scheduleVoList.stream().collect(Collectors.toMap(BookingScheduleRuleVo::getWorkDate, BookingScheduleRuleVo -> BookingScheduleRuleVo));
        }
        //获取可预约排班规则
        List<BookingScheduleRuleVo> bookingScheduleRuleVoList = new ArrayList<>();
        for(int i=0, len=dateList.size(); i<len; i++) {
            Date date = dateList.get(i);

            BookingScheduleRuleVo bookingScheduleRuleVo = scheduleVoMap.get(date);
            if(null == bookingScheduleRuleVo) { // 说明当天没有排班医生
                bookingScheduleRuleVo = new BookingScheduleRuleVo();
                //就诊医生人数
                bookingScheduleRuleVo.setDocCount(0);
                //科室剩余预约数  -1表示无号
                bookingScheduleRuleVo.setAvailableNumber(-1);
            }
            bookingScheduleRuleVo.setWorkDate(date);
            bookingScheduleRuleVo.setWorkDateMd(date);
            //计算当前预约日期为周几
            String dayOfWeek = this.getDayOfWeek(new DateTime(date));
            bookingScheduleRuleVo.setDayOfWeek(dayOfWeek);

            //最后一页最后一条记录为即将预约   状态 0：正常 1：即将放号 -1：当天已停止挂号
            if(i == len-1 && page == iPage.getPages()) {
                bookingScheduleRuleVo.setStatus(1);
            } else {
                bookingScheduleRuleVo.setStatus(0);
            }
            //当天预约如果过了停号时间， 不能预约
            if(i == 0 && page == 1) {
                DateTime stopTime = this.getDateTime(new Date(), bookingRule.getStopTime());
                if(stopTime.isBeforeNow()) {
                    //停止预约
                    bookingScheduleRuleVo.setStatus(-1);
                }
            }
            bookingScheduleRuleVoList.add(bookingScheduleRuleVo);
        }

        //可预约日期规则数据
        result.put("bookingScheduleList", bookingScheduleRuleVoList);
        result.put("total", iPage.getTotal());
        //其他基础数据
        Map<String, String> baseMap = new HashMap<>();
        //医院名称
        baseMap.put("hosname", hospitalService.getHospName(hoscode));
        //科室
        Department department =departmentService.getDepartment(hoscode, depcode);
        //大科室名称
        baseMap.put("bigname", department.getBigname());
        //科室名称
        baseMap.put("depname", department.getDepname());
        //月
        baseMap.put("workDateString", new DateTime().toString("yyyy年MM月"));
        //放号时间
        baseMap.put("releaseTime", bookingRule.getReleaseTime());
        //停号时间
        baseMap.put("stopTime", bookingRule.getStopTime());
        result.put("baseMap", baseMap);
        return result;
    }

    @Override
    public Schedule getById(String scheduleId) {
        Schedule schedule = scheduleRepository.findById(scheduleId).get();
        return this.packageSchedule(schedule);
    }

    @Override
    public ScheduleOrderVo getScheduleOrderVo(String scheduleId) {
        ScheduleOrderVo scheduleOrderVo=new ScheduleOrderVo();
        Schedule schedule = scheduleRepository.findById(scheduleId).get();
        if(StringUtils.isEmpty(schedule)){
            throw new YyghException(ResultCodeEnum.PARAM_ERROR);
        }
        Hospital hospital = hospitalService.getByHoscode(schedule.getHoscode());
        BookingRule bookingRule = hospital.getBookingRule();
        if(StringUtils.isEmpty(hospital)){
            throw new YyghException(ResultCodeEnum.DATA_ERROR);
        }
        scheduleOrderVo.setHoscode(schedule.getHoscode());
        scheduleOrderVo.setHosname(hospitalService.getHospName(schedule.getHoscode()));
        scheduleOrderVo.setDepcode(schedule.getDepcode());
        scheduleOrderVo.setDepname(departmentService.getDepName(schedule.getHoscode(),schedule.getDepcode()));
        scheduleOrderVo.setHosScheduleId(schedule.getHosScheduleId());
        scheduleOrderVo.setAvailableNumber(schedule.getAvailableNumber());
        scheduleOrderVo.setTitle(schedule.getTitle());
        scheduleOrderVo.setReserveDate(schedule.getWorkDate());
        scheduleOrderVo.setReserveTime(schedule.getWorkTime());
        scheduleOrderVo.setAmount(schedule.getAmount());
        //退号截止日期(如：就诊前一天为-1,当天为0)
        Integer quitDay = bookingRule.getQuitDay();
        DateTime quitTime = this.getDateTime(new DateTime(schedule.getWorkDate()).plusDays(quitDay).toDate(), bookingRule.getQuitTime());
        scheduleOrderVo.setQuitTime(quitTime.toDate());
        //预约开始时间
        DateTime startTime = this.getDateTime(new Date(), bookingRule.getReleaseTime());
        scheduleOrderVo.setStartTime(startTime.toDate());
        return scheduleOrderVo;
    }

    @Override
    public SignInfoVo getSignInfoVo(String hoscode) {
        QueryWrapper<HospitalSet> queryWrapper=new QueryWrapper<>();
        queryWrapper.eq("hoscode",hoscode);
        HospitalSet hospitalSet = hospitalSetService.getOne(queryWrapper);
        if(StringUtils.isEmpty(hospitalSet)){
            throw new YyghException(ResultCodeEnum.HOSPITAL_OPEN);
        }
        SignInfoVo signInfoVo=new SignInfoVo();
        signInfoVo.setSignKey(hospitalSet.getSignKey());
        signInfoVo.setApiUrl(hospitalSet.getApiUrl());
        return signInfoVo;
    }

    @Override
    public void update(Schedule schedule) {
        schedule.setUpdateTime(new Date());
        //主键一致就是更新
        scheduleRepository.save(schedule);
    }

    @Override
    public Schedule getScheduleId(String scheduleId) {
        Schedule schedule = scheduleRepository.findById(scheduleId).get();
        return schedule;
    }

    /**
     * @param page 当前页
     * @param limit 每页记录数
     * @param bookingRule 预定规则
     * @return 可预约日期
     */
    private IPage getListDate(Integer page, Integer limit, BookingRule bookingRule) {
        DateTime releaseTime = this.getDateTime(new Date(), bookingRule.getReleaseTime());
        //预约周期
        Integer cycle = bookingRule.getCycle();
        //如果当天预约时间已过，预约周期后一天为放号时间
        if(releaseTime.isBeforeNow()){
            cycle+=1;
        }
        //可预约所有日期，最后一天显示放号倒计时
        List<Date> dateList=new ArrayList<>();
        for (int i = 0; i < cycle; i++) {
            //计算当前预约日期
            DateTime dateTime = new DateTime().plusDays(i);
            String dateString = dateTime.toString("yyyy-MM-dd");
            dateList.add(new DateTime(dateString).toDate());
        }
        List<Date> pageDateList=new ArrayList<>();
        int start=(page-1)*limit;
        int end=(page-1)*limit+limit;
        if(end>dateList.size()){
            end=dateList.size();
        }
        for(int i=start;i<end;i++){
            pageDateList.add(dateList.get(i));
        }
        IPage<Date> iPage = new com.baomidou.mybatisplus.extension.plugins.pagination.Page<>(page, 7, dateList.size());
        iPage.setRecords(pageDateList);
        return iPage;
    }

    /**
     * 将Date日期（yyyy-MM-dd HH:mm）转换为DateTime
     */
    private DateTime getDateTime(Date date, String timeString) {
        String dateTimeString = new DateTime(date).toString("yyyy-MM-dd") + " "+ timeString;
        DateTime dateTime = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm").parseDateTime(dateTimeString);
        return dateTime;
    }

    private Schedule packageSchedule(Schedule schedule) {
        //设置医院名称
        schedule.getParam().put("hosname",hospitalService.getHospName(schedule.getHoscode()));
        //设置科室名称
        schedule.getParam().put("depname",departmentService.getDepName(schedule.getHoscode(),schedule.getDepcode()));
        //设置日期对应星期
        schedule.getParam().put("dayOfWeek",this.getDayOfWeek(new DateTime(schedule.getWorkDate())));
        return schedule;
    }


    /**
     * 根据日期计算周几
     * @param dateTime 日期
     * @return 星期几
     */
    public String getDayOfWeek(DateTime dateTime){
        String dayOfWeek="";
        switch (dateTime.getDayOfWeek()){
            case DateTimeConstants.SUNDAY:
                dayOfWeek="周日";
                break;
            case  DateTimeConstants.MONDAY:
                dayOfWeek="周一";
                break;
            case DateTimeConstants.TUESDAY:
                dayOfWeek="周二";
                break;
            case DateTimeConstants.WEDNESDAY:
                dayOfWeek="周三";
                break;
            case DateTimeConstants.THURSDAY:
                dayOfWeek="周四";
                break;
            case DateTimeConstants.FRIDAY:
                dayOfWeek="周五";
                break;
            case DateTimeConstants.SATURDAY:
                dayOfWeek="周六";
            default:
                break;
        }
        return dayOfWeek;
    }


}
